Historic Nassau Street architecture in Princeton

Weather · April

Princeton weather in April

Average highs of 63°F, lows of 42°F and 3.6 in of rain, from 30 years of weather records.

April is Princeton’s 7th warmest month, with average highs of 63°F and lows of 42°F. That is 12° warmer than March, and 1° below the yearly average high.

Average high
63°F
Average low
42°F
Precipitation
3.6 in
Wet days
12
Snow
0.50 in
Sunrise · sunset
6:20 AM · 7:36 PM

April across the year

  1. 40°24°Jan
  2. 43°26°Feb
  3. 51°33°Mar
  4. 63°42°Apr
  5. 72°52°May
  6. 81°61°Jun
  7. 86°67°Jul
  8. 84°65°Aug
  9. 77°58°Sep
  10. 66°46°Oct
  11. 55°36°Nov
  12. 44°29°Dec

High and low Rain

What to wear in April

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
  • Pack an umbrella or rain jacket: rain or snow falls on about 12 days this month.

April is good for

Around Princeton

Princeton Battle Field
Princeton Battle Field 01Christopher Muflam · CC BY-SA 4.0
View north down the Millstone River from the New Jersey State Route 27 bridge on the border of Princeton, Mercer County and
2023-10-01 16 04 26 View north down the Millstone River from the New Jersey State Route 27 bridge on the border of Princeton, Mercer County and Franklin Township, Somerset County in New JerseyFamartin · CC BY-SA 4.0
View south along Quaker Road (Mercer County Route 533) at Parkside Drive in Princeton, Mercer County, New Jersey
2017-09-12 17 27 10 View south along Quaker Road (Mercer County Route 533) at Parkside Drive in Princeton, Mercer County, New JerseyFamartin · CC BY-SA 4.0

See Princeton

A look around town before you go.

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April compared with the months around it

MonthHighLowRain
March51°F33°F4.0 in
April63°F42°F3.6 in
May72°F52°F4.0 in

Planning a trip? See the best time to visit Princeton and today’s forecast.

Questions

How hot does it get in Princeton in April?

Average highs are 63°F and average lows 42°F, for a daily mean of 53°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Princeton in April?

April averages 3.6 in of precipitation over about 12 days with at least 0.01 in. It is the 9th wettest month of the year.

Does it snow in Princeton in April?

Yes, about 0.50 in of snow on average.

What time is sunset in Princeton in April?

Around mid-April the sun rises about 6:20 AM and sets about 7:36 PM, for roughly 13.3 hours of daylight.

Is April a good time to visit Princeton?

The mildest months for visiting are May, September, October. April is mild.

NOAA U.S. Climate Normals 1991–2020, Trenton Mercer Co Ap station (9.7 mi from downtown). Sunrise and sunset are calculated for April 15 at the city’s coordinates.

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